Cresol Red

$ 1.00 /1KG

career henan chemical co

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China

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Cresol Red Basic information

Product Name:	Cresol Red
Synonyms:	LABOTEST-BB LT00454614;CR;CRESOL RED ETHANOL(20);CRESOLSULFOPHTHALEIN;BROMCRESOL PURPLE;BETZ 0419;2-CRESOLSULFONEPHTHALEIN;3,3-BIS(4-HYDROXY-3-METHYLPHENYL)-2,1LAMBDA6-BENZOXATHIOLE-1,1(3H)-DIONE
CAS:	1733-12-6
MF:	C21H18O5S
MW:	382.43
EINECS:	217-064-2
Product Categories:	Organics;Analytical Chemistry;Indicator (pH);pH Indicators;Sulfonephthalein
Mol File:	1733-12-6.mol

Cresol Red Chemical Properties

Melting point	290 °C
density	0.98 g/mL at 25 °C
storage temp.	Store at RT.
solubility	Solubility Sparingly soluble in water; soluble in ethanol
form	Powder
pka	1.0(at 25℃)
color	Dark green or brown-red
PH Range	7.2(YELLOW)--8.8(PURPLISH RED)
Water Solubility	soluble
λmax	570nm, 367nm, 432nm
Merck	14,2578
BRN	343399
Major Application	Display device, optical sensors, combustion gas detection system, inks, correction fluid, diapers, toothpaste, identifying fresh and stale rice, food storage, determine glucose in dialysis solution, monitor metabolic activity of microorganisms, detect bacterialinfection, psychoactive drugs, dental impression material
EPA Substance Registry System	Phenol, 4,4'-(1,1-dioxido-3H- 2,1-benzoxathiol-3-ylidene) bis[2-methyl-(1733-12-6)

Safety Information

Cresol Red Usage And Synthesis

Chemical Properties	Dark green or brown-red powder
Definition	ChEBI: A member of the class of 2,1-benzoxathioles that is 2,1-benzoxathiole 1,1-dioxide in which both of the hydrogens at position 3 have been substituted by 4-hydroxy-5-methylphenyl groups.
Uses	Acid-base indicator.

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